Write warning about exception in __del__ to stderr, not stdout.
diff --git a/Objects/classobject.c b/Objects/classobject.c
index 6eb453f..d7be15a 100644
--- a/Objects/classobject.c
+++ b/Objects/classobject.c
@@ -399,7 +399,7 @@
 		DECREF(del);
 		if (res == NULL) {
 			writestring("exception in __del__ method ignored\n",
-				    sysget("stdout"));
+				    sysget("stderr"));
 		}
 		else
 			DECREF(res);